Dr. Visvanathan is a Professor on faculty at Johns Hopkins. She is a practicing medical oncologist and cancer epidemiologist focused on translating discoveries to the clinic and population as a whole. She directs the Clinical Cancer Genetics and Prevention service at Johns Hopkins Sidney Kimmel Comprehensive Cancer Center (SKCCC) and is an active member of the Breast and Ovarian Program and Cancer Prevention and Control Program. Dr. Visvanathan is also Director of the Cancer Epidemiology Track in the Department of Epidemiology at Johns Hopkins Bloomberg School of Public Health. With her research centered on primary and secondary prevention of breast and ovarian cancer, her goal is to reduce the incidence of and mortality from breast cancer globally by conducting impactful studies at the local, national, and international levels. Specifically, she focuses on the identification of atrisk groups, potential biomarkers of risk and prognosis and evaluation of preventive agents across the continuum. She conducts both observational studies and early phase clinical trials. She also teaches and mentors the next generation of clinicians and cancer researchers. Dr. Visvanathan has also served on national committees focused on Breast Cancer Risk Reduction, Breast Cancer Genetics and Cancer Disparities. She has also co-chaired National Guidelines on Breast Cancer Endocrine Prevention. Locally, serving on the Maryland State Cancer Council. Dr. Visvanathan received her medical degree from the University of Sydney in Australia. She subsequently went on to complete training in internal medicine and medical oncology, including a period as chief resident at Royal Prince Alfred Hospital. She then did further training in Medical Oncology at Johns Hopkins and also obtained a master’s degree in clinical/cancer epidemiology at Johns Hopkins Bloomberg School of Public Health. This was followed by a postdoctoral fellow before coming on to faculty in both the Johns Hopkins School of Medicine and Bloomberg School of Public Health. Dr. Visvanathan is rated as an Elite provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Ovarian Cancer, Menopause, Hormone Replacement Therapy (HRT), and Salpingo-Oophorectomy.

Dr. Santa-Maria completed his oncology training at Johns Hopkins, and has been focused on caring for patients with breast cancer since then. He works as both a primary oncologist and consultant for patients with all types and stages of breast cancer. His research interest is in developing new types of treatment for patients with breast cancer using immunotherapy. Dr. Santa is rated as an Elite provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, and Paget Disease of the Breast.

Roisin Connolly is an Oncologist in Baltimore, Maryland. Dr. Connolly is rated as an Elite provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Angiosarcoma, Paget Disease of the Breast, and Tissue Biopsy.

Katherine Tkaczuk is an Oncologist in Baltimore, Maryland. Dr. Tkaczuk is rated as an Elite provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Angiosarcoma, and Paget Disease of the Breast.

David Euhus is a Surgical Oncologist and a General Surgeon in Baltimore, Maryland. Dr. Euhus is rated as an Elite provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Mastectomy, and Lymphadenectomy.

Kristen Fernandez is a General Surgeon in Baltimore, Maryland. Dr. Fernandez is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Intraductal Papilloma, and Lymphadenectomy. Dr. Fernandez is currently accepting new patients.

Dr. Melissa Camp is the lead breast surgeon in the Johns Hopkins Kimmel Cancer Center's Breast Program at Green Spring Station. As the lead breast surgeon, Dr. Camp works closely with experts from medical oncology, radiation oncology, imaging and pathology to deliver comprehensive multidisciplinary breast cancer care to patients in a convenient community setting. Dr. Camp specializes in providing compassionate breast cancer treatment, including nipple-sparing mastectomy and breast conservation surgery, and helping newly-diagnosed patients navigate the decision-making process. She sees patients at The Johns Hopkins Hospital and at Johns Hopkins Health Care & Surgery Center - Green Spring Station. Dr. Camp received her bachelor’s degree in biochemistry/molecular biology summa cum laude from Dartmouth College. She graduated from the Johns Hopkins University School of Medicine and went on to complete residencies in general surgery and preventive medicine and to earn a master's degree in public health from the Johns Hopkins Bloomberg School of Public Health. As a member of the American Society of Breast Surgeons and the Society of Surgical Oncology, Dr. Camp has published several peer-reviewed journal articles and has presented her work at national and international medical meetings. Dr. Camp is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Subareolar Abscess, Paget Disease of the Breast, Mastectomy, and Lymphadenectomy.

Dr. Julie Lange is an assistant professor of surgery, dermatology and oncology at the Johns Hopkins University School of Medicine. Dr. Lange was one of the original members of the Johns Hopkins melanoma group when it was first formed in 1995 and now serves as a clinical co-director of the Melanoma Program. Dr. Lange introduced the sentinel node technique to Johns Hopkins for both melanoma and breast cancer in the 1990s and has extensive experience with this technique. Dr. Lange is a graduate of the Vanderbilt University School of Medicine and completed her general surgery training at Yale-New Haven Hospital. She completed a fellowship in surgical oncology and immunotherapy at the Surgery Branch of the National Cancer Institute as well. Dr. Lange joined the faculty of the Department of Surgery at Johns Hopkins in 1994 and subsequently earned a Sc.M. in clinical investigation at the Johns Hopkins Bloomberg School of Public Health. She has particular interest in melanoma at extremes of age, and in the factors associated with variance in melanoma care. Dr. Lange has published the largest study of melanoma in children, adolescents and young adults. She recognizes that melanoma in the older patient is a growing epidemic and has investigated the socioeconomic, demographic and healthcare factors that influence the treatment of melanoma in older persons. Dr. Lange is a member of the melanoma panel of the National Comprehensive Cancer Network, a group that annually evaluates and revises national treatment guidelines for melanoma. In 2015, she was inducted for her work into the Miller-Coulson Academy of Clinical Excellence, which recognizes outstanding clinicians at Johns Hopkins based on a number of factors, including communication and interpersonal skills, professionalism and humanism, a scholarly approach to clinical practice, and a passion for patient care. Dr. Lange is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Melanoma, Breast Cancer, Paget Disease of the Breast, Angiosarcoma, and Lymphadenectomy.

William Houck is an Oncologist in Baltimore, Maryland. Dr. Houck is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Paget Disease of the Breast, Lung Cancer, Chronic Lymphocytic Leukemia (CLL), and Chronic B-Cell Leukemia (CBCL).

Takeo Fujii is an Oncologist in Baltimore, Maryland. Dr. Fujii is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Triple-Negative Breast Cancer, and Bone Tumor.

Gauri Bedi is a General Surgeon in Baltimore, Maryland. Dr. Bedi is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Intraductal Papilloma, Paget Disease of the Breast, Lymphadenectomy, and Mastectomy.

Elizabeth Nichols is a Radiation Oncologist in Baltimore, Maryland. Dr. Nichols is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Angiosarcoma, Cervical Cancer, and Adult Soft Tissue Sarcoma.

Kamila Choi is a Radiation Oncologist in Baltimore, Maryland. Dr. Choi is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Pleuropulmonary Blastoma, Breast Cancer, Angiosarcoma, and Lung Cancer.

Noeline Rajarajan is a General Surgeon in Baltimore, Maryland. Dr. Rajarajan is rated as an Advanced provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Breast Lump, and Intraductal Papilloma. Dr. Rajarajan is currently accepting new patients.

Dr. Jessica Tao is a medical oncologist specializing in the care of patients with breast cancer. She co-leads the Cancer Center-wide Johns Hopkins Molecular Tumor Board, a multidisciplinary effort to interpret complex genomic information and provide individualized, precision oncology treatment recommendations to patients with all types of cancer. In addition to caring for patients, Dr. Tao maintains an active clinical-translational research program dedicated to developing novel treatments to patients with advanced cancer. Her expertise and research focuses on finding and targeting the molecular changes that drive a person’s tumor and understanding novel mechanisms of response and resistance to targeted therapies. A second major area of her research is development and application of “liquid biopsy” technologies, including circulating tumor DNA, in the early detection and disease monitoring of breast cancer. Dr. Tao is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Inflammatory Breast Cancer, Paget Disease of the Breast, and Angiosarcoma.

Leisha Emens is an Oncologist in Baltimore, Maryland. Dr. Emens is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Triple-Negative Breast Cancer, Inflammatory Breast Cancer, and Ovarian Cancer.

Russell Hales, M.D., is an assistant professor of radiation oncology and molecular radiation sciences at the Johns Hopkins University School of Medicine. He also is director of the thoracic multidisciplinary clinic. His research focuses on reconstructing health delivery models to enhance value and improve clinical outcomes. He also studies the effect of immunotherapy and RT in thoracic tumors. Dr. Hales was awarded an R21 grant to study the use of dynamic MRI in predicting tumor motion in patient with lung cancer. Taken together, his research focuses on optimizing patient outcomes using resources from physics, engineering, biology and health delivery systems. Dr. Hales’ efforts extend beyond radiation oncology and clinical management. He has helped to lead in the thoracic oncology program, which includes 20 faculty members and nearly 50 staff, to help chart a vision for this program’s future. In the last four years, the program has gradually transitioned from The Johns Hopkins Hospital campus to Johns Hopkins Bayview Medical Center. Dr. Hales was tasked to head the building and design committee that worked with architects to create a structure conducive to 21st century oncology care. His work extends beyond the bricks and mortar of the new cancer center today to team development within the thoracic oncology program. Simply put, the thoracic oncology move was designed to conceptualize the transition of care from department-based to disease-based medicine. As such, Dr. Hales has worked to integrate the efforts of specialists in medical oncology, thoracic surgery, interventional pulmonology, pathology and radiology. These experts share a clinical space focused on thoracic malignancies and bring a patient-centered model of care to their group. Dr. Hales graduated from Brigham Young University Summa Cum Laude and Valedictorian in 2001. He attended Johns Hopkins Medicine and graduated with an M.D. in 2005. He trained on the Osler Medical Service and attended residency at Johns Hopkins. He joined the faculty at Hopkins in 2010. Dr. Hales focus in program building, research and clinical endeavors is robust, but he understands the key role of academia in training future leaders in medicine. He has been awarded Teacher of the Year in the department of radiation oncology at Hopkins for three of the last six years. He is a well-respected lecturer and travels nationally to speak at conferences and educational workshops about novel therapies in lung and esophagus cancer. Make A Gift. Dr. Hales is rated as an Advanced provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Lung Cancer, Small Cell Lung Cancer (SCLC), Thymic Epithelial Tumor, Non-Small Cell Lung Cancer (NSCLC), and Endoscopy.

Dr. Susan Bahl, MD, FACS, is a distinguished Breast Surgeon who recently joined Johns Hopkins, practicing at both Howard County Medical Center and Johns Hopkins Bayview Medical Center. A strong advocate for women's health, Dr. Bahl brings over a decade of experience in providing state-of-the-art, evidence-based breast care within multidisciplinary settings. She has a passion for delivering personalized treatment plans to patients, specializing in both benign and malignant breast diseases. Before joining Johns Hopkins, Dr. Bahl served as the Medical Director of the Frederick Health Breast Center, where she founded a NAPBC-accredited multidisciplinary breast cancer clinic. In this role, she helped streamline the treatment process for newly diagnosed breast cancer patients by coordinating care between breast surgeons, medical oncologists, and radiation oncologists. Dr. Bahl also co-directed a Breast Screening and Prevention Program designed for high-risk women, integrating genetic testing, risk-reduction surgeries, and chemo-prevention strategies. Her commitment to patient-centered care and leadership in breast health make her a valuable addition to the Johns Hopkins community. Dr. Bahl is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Angiosarcoma, Inflammatory Breast Cancer, and Lymphadenectomy.

Dr. Antonio Wolff is internationally recognized for his work on breast cancer biomarkers, including HER2. As a practicing oncologist and clinical translational researcher, his research has been pivotal to improve the quality of breast cancer biomarker testing in breast cancer, including HER2 and estrogen receptor testing. Among his leadership accomplishments is ensuring that sophisticated laboratory findings are translated into improved clinical care in breast cancer. He is a Fellow of the American Society of Clinical Oncology (ASCO), a Komen Scholar and a Breast Cancer Research Foundation investigator. He has served as associate editor for Journal of Clinical Oncology, and serves on the National Comprehensive Cancer Network (NCCN) Guideline Steering Committee. He is a leader of the Translational Breast Cancer Research Consortium (TBCRC), and one of the principal investigators of the Evolutionary Clinical Trial for Novel Biomarker-Driven Therapies (EVOLVE) in Metastatic Breast Cancer, which was one of the three disease groups recently awarded by ARPA-H to conduct innovative trials using Advanced Analysis for Precision Cancer Therapy (ADAPT). After many years of service as Breast Committee Chair in the ECOG-ACRIN Clinical Trial Network of the National Cancer Institute (NCI), he was elected in 2024 as Co-Chair of the NCI Breast Cancer Steering Committee and appointed to the international steering committee of the Oxford Overview Collaborative, which are positions aimed at advancing clinical trials in breast cancer. At Johns Hopkins, he is an elected member of the Miller Coulson Academy of Clinical Excellence and was honored during the 125th Anniversary Living the Hopkins Mission celebrations of the JHU School of Medicine. Dr. Wolff is rated as an Elite provider by MediFind in the treatment of Breast Cancer. His top areas of expertise are Breast Cancer, HER-2 Positive Breast Cancer, Triple-Negative Breast Cancer, and Inflammatory Breast Cancer.

Jeanne Mandelblatt is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Mandelblatt is rated as a Distinguished provider by MediFind in the treatment of Breast Cancer. Her top areas of expertise are Breast Cancer, Breast Infection, Dementia, and Alzheimer's Disease.